Year National currency (Billions) 2000 -5.697 2001 -7.863 2002 -7.954 2003 -8.271 2004 -8.312 2005 -8.996 2006 -9.360 2007 -7.985 2008 -7.669 2009 -10.075 2010 -9.569 2011 -10.347 2012 -6.342 2013 -12.823 2014 -12.540 2015 -15.098 2016 -12.588 2017 -7.849 2018 -10.939 2019 -38.580 2020 -47.689 2021 -21.276 2022 -18.902 2023 -22.310 2024 -27.648 2025 -24.378 2026 -25.857 2027 -25.998 2028 -28.700 2029 -32.564